
Fav 700
Fav 900
Hydraulics / General system
Hydraulics comparison of Fav 700 with Fav 500, 800, 900 and XYLON
A
General
12/1999
9600
000003
A
a
1/3
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Index
Date
Version
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Hydraulics comparison of Fav 700 with Fav 500, 800, 900 and XYLON
Text-module
Abridged version and hydraulics comparison
FAVORIT 700
FAV 900, 800, 500, XYLON
Feature
Central control block (ZSB)
with integral switching and functional
components
Components located externally in
pipes
LS pump
Inclined-disc axial-flow piston pump with pressure and flow rate regulation
Minimum standby
pressure
42-45 bar
20-23 bar
Starting process
First preliminary stage
Directly to standby
- without 22 bar control pressure
- parallel oil preheating at low
temperatures
Swivel angle
Initially limited to 40 cm³/rev
Limited to 40 cm³/rev
Volumetric capacity
Approx. 100 l/min
Approx. 100 l/min
From Oct 98 max. 45 cm³/rev
Approx. 110 l/min
Design
Compression and intake connections radially in cover
From Oct 98 on axial face in cover
Control pressure
differential
20 bar
Max. working pressure
200 bar
Auxiliary pump
Gear pump 11 cm³/rev
Gear pump 16 cm³/rev
34 l/min
39-41 l/min
Connection
precondition
LS pump exhausted and steering heavy
Max. pressure
190 bar
Location / drive
On transmission
On engine
Monitor
Active above 1000 rpm engine speed;
Only active above 1800/1000;
separate monitor
common monitor
LS pump
25 bar or 8 bar pressure-operated
switch
0.5 / 5 bar pressure-operated switch
Auxiliary pump
Flow monitor
0.5 bar pressure-operated switch / flow
monitor
Oil level
Level sensor (= switch)
Level sensor (= sensor)
Oil level
display/messages
Normal / empty warning / empty fault
message
At min and max: flashing bars
Positions
Solenoid switch at front power lift
shutoff
From 6/99:
Solenoid switch at EPC/DA switch
Solenoid switch at EPC/DA switch
Control valve type
SB 23 LS-EHS
SB 23 LS
Actuation system
Electrohydraulic with CAN-bus
("V-bus") and control pressure of 22 bar
Mechanical
Programmable assignment
Fixed assignment
button / valve yellow / blue / red / green
(red / green / yellow / blue)
control lever / valve yellow / blue / red /
green
Volume setting
Electrically proportional
Mechanical preset
Rear EPC valve, spool
valve type
"Disc" valve, two-piece
Flange-mounted valve, one-piece
Front power lift
control valve
Last valve / integral
Separately enclosed / lockable
E-box
Fendt
Bosch
EPC-DA
Integrated in central control block